Enable the MRS Proxy endpoint for remote moves

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S’applique à :Exchange Server 2016

Summary: Learn how administrators can enable the MRS Proxy endpoint that's required for on-premises Exchange 2016 mailbox moves between Active Directory forests or Office 365.

The Mailbox Replication service (MRS) has a proxy endpoint that's required for cross-forest mailbox moves and remote move migrations between your on-premises Exchange organization and Office 365. You enable the MRS proxy endpoint in the Services Web Exchange (EWS) virtual directory settings in the Client Access (frontend) services on Exchange 2016 Mailbox servers.

Where you enable the MRS Proxy endpoint depends on the type and direction of the mailbox move:

  • Cross-forest enterprise moves   For cross-forest moves that are initiated from the target forest (known as a pull move type), you need to enable the MRS Proxy endpoint on Mailbox servers in the source forest. For cross-forest moves that are initiated from the source forest (known as a push move type), you need to enable the MRS Proxy endpoint on Mailbox servers in the target forest.

  • Remote move migrations between an on-premises Exchange organization and Office 365.  For both onboarding and offboarding remote move migrations, you need to enable the MRS Proxy endpoint on Mailbox servers in your on-premises Exchange organization.

Note: If you use theCentre d’administration Exchange (EAC) to move mailboxes, cross-forest moves and onboarding remote move migrations are pull move types, because you initiate the request from the target environment. Offboarding remote move migrations are push move types because you initiate the request from the source environment.

  • Estimated time to complete: 2 minutes per server.

  • Des autorisations doivent vous être attribuées avant de pouvoir exécuter cette procédure. Pour voir les autorisations qui vous sont nécessaires, consultez "Services Web Exchange permissions" section in the Autorisations des clients et des périphériques mobiles topic.

  • If you've deployed multiple Mailbox servers in your Exchange organization, you should enable the MRS Proxy endpoint in the Client Access services on each Mailbox server. If you add additional Mailbox servers, be sure to enable the MRS Proxy endpoint on the new servers. Cross-forest moves and remote move migrations can fail if the MRS Proxy endpoint isn't enabled on all Mailbox servers.

  • If you don't perform cross-forest moves or remote move migrations, keep MRS Proxy endpoints disabled in the Client Access services on Mailbox servers to reduce the attack surface of your organization.

  • Pour des informations sur les raccourcis clavier applicables aux procédures de cette rubrique, voir Raccourcis clavier dans Exchange 2013Raccourcis clavier dans le Centre d’administration Exchange.

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  1. In the EAC, go to Recipients > Servers > Virtual Directories.

  2. Select the EWS virtual directory that you want to configure.

    • You can use the Select server drop down list to filter the Exchange servers by name.

    • To only display EWS virtual directories, select EWS in the Select type drop down list.

    After you've selected the EWS virtual directory that you want to configure, click Edit Icône Modifier.

    Dans le CAE, accédez à Serveurs > Répertoires virtuels, puis sélectionnez le répertoire virtuel EWS.
  3. On the properties page that opens, on the General tab, select the Enable MRS Proxy endpoint check box, and then click Save.

    Dans le CAE, sous l’onglet Général dans les propriétés du répertoire virtuel EWS, sélectionnez Activer le point de terminaison du proxy MRS.

To enable the MRS Proxy endpoint, use this syntax:

Set-WebServicesVirtualDirectory -Identity "[<Server>\]EWS (Default Web Site)" -MRSProxyEnabled $true

This example enables the MRS Proxy endpoint in Client Access services on the Mailbox server named EXCH-SRV-01.

Set-WebServicesVirtualDirectory -Identity "EXCH-SRV-01\EWS (Default Web Site)" -MRSProxyEnabled $true

This example enables the MRS Proxy endpoint in Client Access services on all Mailbox servers in your Exchange organization.

Get-WebServicesVirtualDirectory | Set-WebServicesVirtualDirectory -MRSProxyEnabled $true

For detailed syntax and parameter information, see Set-WebServicesVirtualDirectory.

To verify that you've successfully enabled the MRS Proxy endpoint, do any of these steps:

  • In the EAC, got to Recipients > Servers > Virtual Directories > select the EWS virtual directory, and verify in the details pane that the MRS Proxy endpoint is enabled.

    Dans le CAE, sélectionnez le répertoire virtuel EWS et vérifiez que le point de terminaison du proxy MRS est activé dans le volet d’informations.
  • Run this command in the Environnement de ligne de commande Exchange Management Shell, and verify that the MRSProxyEnabled property for the EWS virtual directory has the value True:

    Get-WebServicesVirtualDirectory | Format-Table -Auto Identity,MRSProxyEnabled
    
  • Use the Test-MigrationServerAvailability cmdlet in the Environnement de ligne de commande Exchange Management Shell to test communication with the remote servers that hosts the mailboxes that you want to move (or the servers in your on-premises Exchange organization for offboarding remote move migrations from Office 365).

    Replace <EmailAddress> with the email address of one of the mailboxes that you want to move, and run this command in the Environnement de ligne de commande Exchange Management Shell:

    Test-MigrationServerAvailability -ExchangeRemoteMove -Autodiscover -EmailAddress <EmailAddress> -Credentials (Get-Credential)
    

    To run this command successfully, the MRS Proxy endpoint must be enabled.

    For detailed syntax and parameter information, see Test-MigrationServerAvailability.

 
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